The Chickasha Daily Express (Chickasha, Okla.), Vol. 72, No. 26, Ed. 1 Sunday, March 15, 1964, newspaper, March 15, 1964; (https://gateway.okhistory.org/ark:/67531/metadc1863905/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .